After humidity and the intensity and number of thunderstorms diminish into Friday, the weekend will bring a buildup of humidity and the risk of storms around Pittsburgh.
High temperatures are forecast to be in the low to middle 80s F Saturday and Sunday.
While there may be spotty thunderstorms developing on Saturday, Sunday is likely to turn out unsettled with the risk of multiple showers and thunderstorms.
One or more rounds of severe weather are possible in the Northeast as unseasonably cool air swings into the Midwest.
Some of that unseasonably cool air will reach Pittsburgh during the middle and latter part of next week.
Temperatures are projected to be no better than the 70s for multiple days next week around the city, during what is the typically the hottest time of the year. High temperatures average in the middle 80s during the middle of July.
In the mountains, nighttime temperatures could dip into the 40s with daytime highs in the 60s for a time later next week.
A budding tropical disturbance has the potential to strengthen significantly and reach Florida and the Bahamas with strong winds, coastal flooding and torrential rainfall during Sunday and Monday.
Rounds of showers and thunderstorms will bring the potential for flash flooding and localized damaging wind gusts through Thursday.
Stargazers will want to dig out their binoculars and telescopes this weekend as Venus and Jupiter shine so close that they appear as one large, bright star in the evening sky.
Following a taste of autumn chill to start the week, is summer heat and humidity over for the northeastern United States?
A deadly earthquake struck central Italy at 3:36 a.m. local time on Wednesday with tremors felt as far away as the capital city of Rome.
Friday will be largely dry across the United Kingdom, but the threat for rain will increase over the bank holiday weekend.
The remains of Typhoon Holly brought heavy rains and flooding to south-central Alaska with heavy snow inland. (4-foot drifts at Denali National Park).
Hampton Roads, VA (1990)
Very heavy rain fell during the morning, causing widespread flooding. There was also 7.33 inches of rain at Virginia Beach. Between 4 and 5 inches of rain fell at Hampton Roads.
Cloudburst at Guinea, VA - 9.25 inches of rain in only 40 minutes.